2. Rotate the adapter card retainer 1 to the open position to remove a failing

adapter card or to add an adapter card. See Figure 31.

3. Remove the adapter card 2.
4. Remove the new adapter from its static-protective package.
5. Install the new adapter card 2in the adapter card connector.
6. Ensure the adapter is fully seated into the adapter connector.
7. Close the adapter card retainer.

8. Go to Chapter 4, “Completing the parts replacement,” on page 39.

Replacing the fan assembly
Attention
Do not open your computer or attempt any repair before reading the “Important safety
information” in the Safety and Warranty Guide that was included with your computer. To
obtain a copy of the Safety and Warranty Guide, go to the Support Web site at
http://www.lenovo.com/support.
This section provides instructions on how to replace the fan assembly.
1. Open the computer cover. See “Opening the cover” on page 12.

Figure 31. Opening the adapter card retainer and removing the adapter card

Chapter 3. Installing options and replacing hardware 35